package com.mmall.controller.portal;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayConstants;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.demo.trade.config.Configs;
import com.google.common.collect.Maps;
import com.mmall.common.Const;
import com.mmall.common.ResponseCode;
import com.mmall.common.ServerResponse;
import com.mmall.pojo.Cart;
import com.mmall.pojo.Order;
import com.mmall.pojo.User;
import com.mmall.service.IOrderService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

@Controller
@RequestMapping("/order")
public class OrderController {

    @Autowired
    private IOrderService iOrderService;

    private static Logger logger = LoggerFactory.getLogger(OrderController.class);

    @RequestMapping("pay.do")
    @ResponseBody
    public ServerResponse pay(HttpSession session, Long orderNo, HttpServletRequest request){
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),
                    ResponseCode.NEED_LOGIN.getDesc());
        }
        String path = request.getSession().getServletContext().getRealPath("upload");

        return iOrderService.pay(user.getId(), path, orderNo);
    }

    @RequestMapping("alipay_callback.do")
    @ResponseBody
    public Object alipayCallback(HttpServletRequest request) {
        Map<String,String> params = Maps.newHashMap();

        Map requestParams = request.getParameterMap();
        for(Iterator it = requestParams.keySet().iterator(); it.hasNext();){
            String name = (String) it.next();
            String[] values = (String[])requestParams.get(name);
            String valueStr = "";
            for (int i=0;i<values.length;i++){
                valueStr = (i == values.length - 1) ? valueStr + values[i] : valueStr + values[i] + ",";
            }
            params.put(name, valueStr);
        }
        // 回调参数文档 >> https://docs.open.alipay.com/194/103296/
        logger.info("支付宝回调,sign:{},trade_status:{},参数:{}", params.get("sign"),params.get("trade_status"),params.toString());

        // 非常重要,验证回调的正确性,判断是不是支付宝发出的,并且还要避免重复通知

        // 同上, 参考文档 https://docs.open.alipay.com/194/103296/
        params.remove("sign_type");
        try {
            boolean alipayRSACheckedV2 = AlipaySignature.rsaCheckV2(params, Configs.getPublicKey(), "utf-8", Configs.getSignType());
            if(!alipayRSACheckedV2){
                return ServerResponse.createByErrorMessage("非法请求,验证不通过,再恶意请求我就报警找网警了");
            }
        } catch (AlipayApiException e) {
            logger.error("支付宝验证回调异常", e);
        }

        // 验证各种数据

        ServerResponse serverResponse = iOrderService.alipayCallback(params);
        if(serverResponse.isSuccess()){
            return Const.AlipayCallback.RESPONSE_SUCCESS;
        }

        return Const.AlipayCallback.RESPONSE_FAILED;
    }


    @RequestMapping("query_order_pay_status.do")
    @ResponseBody
    public ServerResponse<Boolean> queryOrderPayStatus(HttpSession session, Long orderNo){
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),
                    ResponseCode.NEED_LOGIN.getDesc());
        }
        ServerResponse serverResponse = iOrderService.queryOrderPayStatus(user.getId(), orderNo);
        if(serverResponse.isSuccess()){
            return ServerResponse.createBySuccess(true);
        }

        return ServerResponse.createBySuccess(false);
    }


    @RequestMapping("create.do")
    @ResponseBody
    public ServerResponse create(HttpSession session, Integer shippingId){
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),
                    ResponseCode.NEED_LOGIN.getDesc());
        }

        return iOrderService.createOrder(user.getId(), shippingId);
    }

    @RequestMapping("cancel.do")
    @ResponseBody
    public ServerResponse cancel(HttpSession session, Long orderNo){
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),
                    ResponseCode.NEED_LOGIN.getDesc());
        }

        return iOrderService.cancel(user.getId(), orderNo);
    }

    @RequestMapping("get_order_cart_product.do")
    @ResponseBody
    public ServerResponse getOrderCartProduct(HttpSession session){
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),
                    ResponseCode.NEED_LOGIN.getDesc());
        }

        return iOrderService.getOrderCartProduct(user.getId());
    }

    @RequestMapping("detail.do")
    @ResponseBody
    public ServerResponse detail(HttpSession session, Long orderNo){
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),
                    ResponseCode.NEED_LOGIN.getDesc());
        }

        return iOrderService.getOrderDetail(user.getId(), orderNo);
    }

    @RequestMapping("list.do")
    @ResponseBody
    public ServerResponse list(HttpSession session,
                               @RequestParam(value = "pageNum", defaultValue = "1") int pageNum,
                               @RequestParam(value = "pageSize", defaultValue = "10") int pageSize){
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),
                    ResponseCode.NEED_LOGIN.getDesc());
        }

        return iOrderService.getOrderList(user.getId(),pageNum,pageSize);
    }


}
